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Rapidly destructive arthropathy of the hip in siblings
Y Hasegawa1, T Matsuda, T Iwase
1Department of Orthopaedic Surgery, Nagoya University School of Medicine, Japan.
Insights
Rapidly destructive hip arthropathy occurred in two elderly brothers. Pathological findings revealed osteoarthrotic changes, bone necrosis, and inflammation, excluding other common arthropathy causes.
Area of Science:
- Rheumatology
- Orthopedics
- Genetics
Background:
- Rapidly destructive arthropathy (RDA) is a rare condition affecting synovial joints.
- Etiology of RDA is often unclear, with various factors proposed, including inflammatory, infectious, and metabolic causes.
Observation:
- A case study of two male siblings, aged 74 and 76, presenting with rapidly destructive hip arthropathy.
- Symptom onset to joint destruction occurred within 12 months in one brother and 4 months in the other.
- Clinical and laboratory findings excluded neuropathic, inflammatory, or septic causes of arthropathy.
Findings:
- Pathological examination revealed osteoarthrotic changes in both affected hip joints.
- Small foci of bone necrosis and non-specific inflammation were noted.
- Moderate hemosiderosis was present in the synovial tissue.
Implications:
- This case highlights a potential genetic predisposition to rapidly destructive hip arthropathy in elderly males.
- The findings suggest a distinct pathological process not fitting typical arthropathy classifications.
- Further research into the genetic and molecular mechanisms underlying this condition is warranted.
Abstract:
A case of rapidly destructive arthropathy of the hip in male siblings aged 74 and 76 years is reported. Hip joints of the brothers were destroyed 12 and 4 months after the onset of symptoms, respectively. Results of clinical and laboratory examinations did not show any features of neuropathic, inflammatory, or septic arthropathy. Pathologically in both patients, osteoarthrotic changes with small foci of bone necrosis and nonspecific inflammation and moderate amount of hemosiderosis in the synovium were observed.